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Fixed a bug in btreenext.
[doldaconnect.git] / daemon / ui.c
CommitLineData
d3372da9 1/*
2 * Dolda Connect - Modular multiuser Direct Connect-style client
302a2600 3 * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com>
d3372da9 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/
19#define _GNU_SOURCE
20#include <unistd.h>
21#include <stdlib.h>
d3372da9 22#include <sys/socket.h>
23#include <netinet/in.h>
24#include <netinet/ip6.h>
504ba854 25#include <arpa/inet.h>
ddb933f1 26#include <sys/un.h>
d3372da9 27#include <errno.h>
28#include <string.h>
29#include <stdarg.h>
30#include <wchar.h>
31#include <wctype.h>
32#include <iconv.h>
33#include <pwd.h>
34#include <time.h>
35#include <fcntl.h>
36#include <signal.h>
37
38#ifdef HAVE_CONFIG_H
39#include <config.h>
40#endif
41#include "conf.h"
42#include "auth.h"
43#include "utils.h"
44#include "net.h"
45#include "module.h"
46#include "sysevents.h"
47#include "filenet.h"
48#include "transfer.h"
49#include "search.h"
50#include "client.h"
51
52#define PERM_DISALLOW 1
53#define PERM_ADMIN 2
54#define PERM_FNETCTL 4
55#define PERM_TRANS 8
56#define PERM_TRANSCU 16
57#define PERM_CHAT 32
58#define PERM_SRCH 64
59
60#define NOTIF_END 0
61#define NOTIF_INT 1
62#define NOTIF_STR 2
63#define NOTIF_FLOAT 3
64#define NOTIF_ID 4
dcf7a1a2 65#define NOTIF_OFF 5
d3372da9 66#define NOTIF_PEND 0
67#define NOTIF_WAIT 1
68
69struct uidata;
70
71struct command
72{
73 wchar_t *name;
74 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
75};
76
77struct qcommand
78{
79 struct qcommand *next;
80 struct command *cmd;
81 int argc;
82 wchar_t **argv;
83};
84
85struct uiuser
86{
87 struct uiuser *next, *prev;
88 int used;
89 wchar_t *name;
90 unsigned long perms;
91 int delete;
92};
93
94struct notif
95{
96 struct notif *next, *prev;
97 struct uidata *ui;
98 int state;
99 int code;
100 double rlimit;
101 size_t argc;
102 struct timer *exptimer;
103 struct notifarg
104 {
105 int dt;
106 union
107 {
108 int n;
dcf7a1a2 109 off_t o;
d3372da9 110 wchar_t *s;
111 double d;
112 } d;
113 } *argv;
114};
115
116struct uidata
117{
118 struct uidata *next, *prev;
119 struct socket *sk;
120 struct qcommand *queue, *queuelast;
121 struct authhandle *auth;
122 int close;
123 union
124 {
125 struct
126 {
127 int fnact:1;
128 int fnchat:1;
ba86d49a 129 int fnpeer:1;
d3372da9 130 int tract:1;
131 int trprog:1;
132 int srch:1;
5f151349 133 int msg:1;
d3372da9 134 } b;
135 int w;
136 } notify;
137 wchar_t *username;
138 struct uiuser *userinfo;
5f151349 139 int id;
140 wchar_t *regname;
d3372da9 141 uid_t uid;
142 struct notif *fnotif, *lnotif;
143 char *fcmdbuf;
144 size_t fcmdbufdata, fcmdbufsize;
145 pid_t fcmdpid;
146 struct socket *fcmdsk;
147 /* Read buffer */
148 char *inbuf;
149 size_t inbufsize, indata;
150 /* Wordset storage */
151 wchar_t **argv;
76236762 152 size_t argc, args;
d3372da9 153 /* WCS conversation stuff */
154 wchar_t *cb; /* Conversation buffer */
155 size_t cbsize, cbdata;
156 iconv_t ichandle;
157 /* Parser data */
158 int ps; /* Parser state */
159 wchar_t *pp; /* Current parse pointer */
160 wchar_t *cw; /* Current word (building storage) */
161 size_t cwsize, cwdata;
162};
163
164static int srcheta(struct search *srch, void *uudata);
165static int srchcommit(struct search *srch, void *uudata);
166static int srchres(struct search *srch, struct srchres *sr, void *uudata);
5f151349 167static struct notif *newnotif(struct uidata *data, int code, ...);
168static void notifappend(struct notif *notif, ...);
d3372da9 169
170struct uiuser *users = NULL;
171struct uidata *actives = NULL;
ddb933f1 172struct socket *tcpsocket = NULL;
173struct socket *unixsocket = NULL;
9a64a4f7 174static time_t starttime;
d3372da9 175
176static wchar_t *quoteword(wchar_t *word)
177{
178 wchar_t *wp, *buf, *bp;
179 int dq, numbs, numc;
180
181 dq = 0;
182 numbs = 0;
183 numc = 0;
184 if(*word == L'\0')
185 {
186 dq = 1;
187 } else {
188 for(wp = word; *wp != L'\0'; wp++)
189 {
190 if(!dq && iswspace(*wp))
191 dq = 1;
192 if((*wp == L'\\') || (*wp == L'\"'))
193 numbs++;
194 numc++;
195 }
196 }
197 if(!dq && !numbs)
198 return(NULL);
199 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
200 if(dq)
201 *(bp++) = L'\"';
202 for(wp = word; *wp != L'\0'; wp++)
203 {
204 if((*wp == L'\\') || (*wp == L'\"'))
205 *(bp++) = L'\\';
206 *(bp++) = *wp;
207 }
208 if(dq)
209 *(bp++) = L'\"';
210 *(bp++) = L'\0';
211 return(buf);
212}
213
214static void sq(struct socket *sk, int cont, ...)
215{
216 int num, freepart;
217 va_list al;
f7292a8b 218 char *final, *sarg;
d3372da9 219 wchar_t *buf;
220 wchar_t *part, *tpart;
221 size_t bufsize, bufdata;
222
223 buf = NULL;
224 bufsize = bufdata = 0;
225 num = 0;
226 va_start(al, cont);
227 while((part = va_arg(al, wchar_t *)) != NULL)
228 {
f7292a8b 229 freepart = 0;
d3372da9 230 if(*part == L'%')
231 {
f7292a8b 232 tpart = part + 1;
233 if(!wcscmp(tpart, L"i"))
d3372da9 234 {
f7292a8b 235 freepart = 1;
236 part = swprintf2(L"%i", va_arg(al, int));
dcf7a1a2
FT		 237 } else if(!wcscmp(tpart, L"zi")) {
238 freepart = 1;
239 part = swprintf2(L"%zi", va_arg(al, size_t));
240 } else if(!wcscmp(tpart, L"oi")) {
241 freepart = 1;
242 part = swprintf2(L"%ji", (intmax_t)va_arg(al, off_t));
f7292a8b 243 } else if(!wcscmp(tpart, L"s")) {
244 freepart = 1;
245 part = icmbstowcs(sarg = va_arg(al, char *), NULL);
246 if(part == NULL)
d3372da9 247 {
f7292a8b 248 freepart = 0;
249 part = L"ERROR";
250 flog(LOG_ERR, "could not convert local string to wcs: %s", sarg);
d3372da9 251 }
f7292a8b 252 } else if(!wcscmp(tpart, L"ls")) {
253 part = va_arg(al, wchar_t *);
254 } else if(!wcscmp(tpart, L"ll")) {
255 freepart = 1;
256 part = swprintf2(L"%lli", va_arg(al, long long));
257 } else if(!wcscmp(tpart, L"f")) {
258 freepart = 1;
259 part = swprintf2(L"%f", va_arg(al, double));
260 } else if(!wcscmp(tpart, L"x")) {
261 freepart = 1;
262 part = swprintf2(L"%x", va_arg(al, int));
263 } else {
264 flog(LOG_CRIT, "BUG: unknown type code in sq: %ls", tpart);
265 abort();
d3372da9 266 }
d3372da9 267 }
268 if((tpart = quoteword(part)) != NULL)
269 {
270 if(freepart)
271 free(part);
272 part = tpart;
273 freepart = 1;
274 }
275 if((num > 1) || ((num == 1) && !(cont & 1)))
276 addtobuf(buf, L' ');
277 bufcat(buf, part, wcslen(part));
278 if((num == 0) && (cont & 1))
279 addtobuf(buf, L'-');
280 num++;
281 if(freepart)
282 free(part);
283 }
284 if(cont & 2)
285 bufcat(buf, L" \0", 2);
286 else
287 bufcat(buf, L"\r\n\0", 3);
288 if((final = icwcstombs(buf, "utf-8")) == NULL)
289 {
290 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
291 free(buf);
292 return;
293 }
294 va_end(al);
295 free(buf);
296 sockqueue(sk, final, strlen(final));
297 free(final);
298}
299
300struct uiuser *finduser(wchar_t *name)
301{
302 struct uiuser *user;
303
304 for(user = users; user != NULL; user = user->next)
305 {
306 if(!wcscmp(user->name, name))
307 break;
308 }
309 return(user);
310}
311
312static void logout(struct uidata *data)
313{
314 data->userinfo = NULL;
315 if(data->username != NULL)
316 free(data->username);
317 data->username = NULL;
318 if(data->auth != NULL)
319 authputhandle(data->auth);
320 data->auth = NULL;
321}
322
323static int haspriv(struct uidata *data, int perm)
324{
325 if(data->userinfo == NULL)
326 return(0);
327 if(data->userinfo->perms & perm)
328 return(1);
329 else
330 return(0);
331}
332
333/* Useful macros for the command functions: */
334#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
a9bfddfe 335#define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), NULL); return; } } while(0)
d3372da9 336
337static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
338{
339 int valid;
504ba854 340 struct in6_addr mv4lo;
d3372da9 341
342 if(confgetint("ui", "onlylocal"))
343 {
344 switch(sk->remote->sa_family)
345 {
346 case AF_INET:
347 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
348 break;
349 case AF_INET6:
504ba854 350 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
351 valid = 0;
352 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
353 valid = 1;
354 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
355 valid = 1;
d3372da9 356 break;
ddb933f1 357 case AF_UNIX:
358 valid = 1;
359 break;
d3372da9 360 default:
361 valid = 0;
362 break;
363 }
364 if(!valid)
365 {
366 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
367 sk->close = 1;
368 data->close = 1;
369 return;
370 }
371 }
4a9a79b3 372 sq(sk, 0, L"201", L"1", L"2", L"Dolda Connect daemon v" VERSION, NULL);
d3372da9 373}
374
375static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376{
377 if((argv != NULL) && (argv[0] != NULL))
f7292a8b 378 sq(sk, 0, L"500", L"Command not found", NULL);
d3372da9 379 else
380 sq(sk, 0, L"500", L"No command", NULL);
381}
382
383static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
384{
385 extern volatile int running;
386
387 havepriv(PERM_ADMIN);
388 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
389 running = 0;
390 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
391}
392
393static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
394{
395 sq(sk, 0, L"200", L"Closing connection", NULL);
396 data->close = 1;
397}
398
399static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
400{
401 struct authmech *mech, *prev;
402
403 prev = NULL;
404 for(mech = mechs; mech != NULL; mech = mech->next)
405 {
3616b334 406 if(mech->enabled && authavailable(mech, sk))
d3372da9 407 {
408 if(prev != NULL)
409 sq(sk, 1, L"200", prev->name, NULL);
410 prev = mech;
411 }
412 }
413 if(prev == NULL)
414 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
415 else
416 sq(sk, 0, L"200", prev->name, NULL);
417}
418
419static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
420{
421 char *buf;
422 int code;
423 struct passwd *pwd;
424
425 haveargs(3);
426 if(data->username != NULL)
427 {
428 if(data->userinfo != NULL)
429 sq(sk, 0, L"503", L"Already logged in", NULL);
430 else
431 sq(sk, 0, L"503", L"Already logging in", NULL);
432 return;
433 }
434 if((buf = icwcstombs(argv[2], NULL)) == NULL)
435 {
436 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
437 return;
438 }
439 data->username = swcsdup(argv[2]);
440 if((pwd = getpwnam(buf)) == NULL)
441 data->uid = -1;
442 else
443 data->uid = pwd->pw_uid;
444 if((data->auth = initauth(argv[1], buf)) == NULL)
445 {
446 if(errno == ENOENT)
447 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
448 else
f7292a8b 449 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%s", strerror(errno), NULL);
d3372da9 450 free(buf);
451 logout(data);
452 return;
453 }
454 free(buf);
3616b334 455 switch(authenticate(data->auth, sk, NULL))
d3372da9 456 {
457 case AUTH_SUCCESS:
458 data->userinfo = finduser(data->username);
459 if(data->userinfo == NULL)
460 data->userinfo = finduser(L"default");
461 if(data->uid == -1)
462 {
463 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 464 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 465 logout(data);
466 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
467 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 468 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 469 logout(data);
470 } else {
471 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 472 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 473 }
474 break;
475 case AUTH_DENIED:
f7292a8b 476 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 477 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 478 logout(data);
479 break;
480 case AUTH_PASS:
481 switch(data->auth->prompt)
482 {
483 case AUTH_PR_AUTO:
484 code = 300;
485 break;
486 case AUTH_PR_NOECHO:
487 code = 301;
488 break;
489 case AUTH_PR_ECHO:
490 code = 302;
491 break;
492 case AUTH_PR_INFO:
493 code = 303;
494 break;
495 case AUTH_PR_ERROR:
496 code = 304;
497 break;
498 }
f7292a8b 499 sq(sk, 0, L"%i", code, data->auth->text, NULL);
d3372da9 500 break;
501 case AUTH_ERR:
f7292a8b 502 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 503 logout(data);
504 break;
505 default:
506 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
f7292a8b 507 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 508 logout(data);
509 break;
510 }
511}
512
513static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
514{
515 char *buf;
516 int code;
517
518 haveargs(2);
519 if((buf = icwcstombs(argv[1], NULL)) == NULL)
520 {
521 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
522 return;
523 }
524 if((data->auth == NULL) || (data->userinfo != NULL))
525 {
526 sq(sk, 0, L"507", L"Data not expected", NULL);
527 return;
528 }
3616b334 529 switch(authenticate(data->auth, sk, buf))
d3372da9 530 {
531 case AUTH_SUCCESS:
532 data->userinfo = finduser(data->username);
533 if(data->userinfo == NULL)
534 data->userinfo = finduser(L"default");
535 if(data->uid == -1)
536 {
537 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 538 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 539 logout(data);
540 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
541 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 542 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 543 logout(data);
544 } else {
545 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 546 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 547 }
548 break;
549 case AUTH_DENIED:
f7292a8b 550 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 551 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 552 logout(data);
553 break;
554 case AUTH_PASS:
555 switch(data->auth->prompt)
556 {
557 case AUTH_PR_AUTO:
558 code = 300;
559 break;
560 case AUTH_PR_NOECHO:
561 code = 301;
562 break;
563 case AUTH_PR_ECHO:
564 code = 302;
565 break;
566 case AUTH_PR_INFO:
567 code = 303;
568 break;
569 case AUTH_PR_ERROR:
570 code = 304;
571 break;
572 }
f7292a8b 573 sq(sk, 0, L"%i", code, data->auth->text, NULL);
d3372da9 574 break;
575 case AUTH_ERR:
f7292a8b 576 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 577 logout(data);
578 break;
579 default:
580 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
f7292a8b 581 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 582 logout(data);
583 break;
584 }
585 free(buf);
586}
587
588static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
589{
590 int i;
591 char *buf;
592 int err;
593 struct fnetnode *fn;
efc05613 594 struct wcspair *args;
d3372da9 595
596 haveargs(3);
597 havepriv(PERM_FNETCTL);
dd31fcfa 598 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
599 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
600 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
601 return;
602 }
d3372da9 603 if((buf = icwcstombs(argv[2], NULL)) == NULL)
604 {
605 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
606 return;
607 }
efc05613 608 args = NULL;
609 for(i = 3; i < argc - 1; i += 2)
610 newwcspair(argv[i], argv[i + 1], &args);
a3a4a3a7 611 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
d3372da9 612 err = errno;
613 free(buf);
614 if(fn == NULL)
615 {
616 if(errno == EPROTONOSUPPORT)
617 sq(sk, 0, L"511", L"No such network name", NULL);
618 else
f7292a8b 619 sq(sk, 0, L"509", L"Could not parse the address", L"%s", strerror(err), NULL);
d3372da9 620 return;
621 }
d3372da9 622 linkfnetnode(fn);
623 fnetsetname(fn, argv[2]);
f7292a8b 624 sq(sk, 0, L"200", L"%i", fn->id, L"Connection under way", NULL);
d3372da9 625 putfnetnode(fn);
d3372da9 626}
627
628static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
629{
630 struct fnetnode *fn;
631
632 if(fnetnodes == NULL)
633 {
634 sq(sk, 0, L"201", L"No connected nodes", NULL);
635 return;
636 }
637 for(fn = fnetnodes; fn != NULL; fn = fn->next)
638 {
f7292a8b 639 sq(sk, (fn->next != NULL)?1:0, L"200", L"%i", fn->id, fn->fnet->name, (fn->name == NULL)?L"":fn->name, L"%i", fn->numpeers, L"%i", fn->state, L"%ls", fn->pubid, NULL);
d3372da9 640 }
641}
642
643static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
644{
645 struct fnetnode *fn;
646 int i;
647
648 haveargs(2);
649 havepriv(PERM_FNETCTL);
650 /* Note - Programmatical user interfaces must only give one
651 * argument per command, the multiple argument form is only for
652 * convenience when manually controlling the daemon via
653 * eg. telnet. The reason is that the return codes aren't clear
654 * enough for the multiple argument form. */
655 for(i = 1; i < argc; i++)
656 {
657 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
658 {
659 sq(sk, 0, L"510", L"No such node", NULL);
660 return;
661 }
18603153 662 if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner)))
663 {
664 sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL);
665 return;
666 }
d3372da9 667 killfnetnode(fn);
668 unlinkfnetnode(fn);
669 }
670 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
671}
672
673static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
674{
675 struct fnetnode *fn;
676 struct fnetpeerdatum *datum;
677
678 haveargs(2);
679 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
680 {
681 sq(sk, 0, L"510", L"No such node", NULL);
682 return;
683 }
684 if(fn->peerdata == NULL)
685 {
686 sq(sk, 0, L"201", L"No data available", NULL);
687 } else {
688 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
f7292a8b 689 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%i", datum->datatype, NULL);
d3372da9 690 }
691}
692
693static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
694{
695 int i;
696 struct fnetnode *fn;
0e227c1d 697 struct fnetpeer *peer, *npeer;
d3372da9 698
699 haveargs(2);
700 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
701 {
702 sq(sk, 0, L"510", L"No such node", NULL);
703 return;
704 }
705 if(fn->peers == NULL)
706 {
707 sq(sk, 0, L"201", L"No peers avaiable", NULL);
708 } else {
0e227c1d 709 for(peer = btreeiter(fn->peers); peer != NULL; peer = npeer)
d3372da9 710 {
0e227c1d
FT		 711 npeer = btreeiter(NULL);
712 sq(sk, 2 | ((npeer != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL);
d3372da9 713 for(i = 0; i < peer->dinum; i++)
714 {
715 if(peer->peerdi[i].datum->datatype == FNPD_INT)
f7292a8b 716 sq(sk, 2, peer->peerdi[i].datum->id, L"%i", peer->peerdi[i].data.num, NULL);
d3372da9 717 if(peer->peerdi[i].datum->datatype == FNPD_LL)
f7292a8b 718 sq(sk, 2, peer->peerdi[i].datum->id, L"%ll", peer->peerdi[i].data.lnum, NULL);
d3372da9 719 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
f7292a8b 720 sq(sk, 2, peer->peerdi[i].datum->id, L"%ls", peer->peerdi[i].data.str, NULL);
d3372da9 721 }
722 sq(sk, 0, NULL);
723 }
724 }
725}
726
727static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
728{
729 int i;
730 struct fnet *net;
731 struct fnetnode *fn;
732 struct transfer *transfer;
733 struct fnetpeer *peer;
734
735 haveargs(4);
736 if((argc > 5) && ((argc % 2) == 0))
737 {
738 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
739 return;
740 }
741 havepriv(PERM_TRANS);
742 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
743 {
744 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
745 {
746 sq(sk, 0, L"510", L"No such node", NULL);
747 return;
748 }
749 net = fn->fnet;
750 } else {
751 fn = NULL;
752 if((net = findfnet(argv[1])) == NULL)
753 {
754 sq(sk, 0, L"511", L"No such network name", NULL);
755 return;
756 }
757 }
758 transfer = newtransfer();
759 authgethandle(transfer->auth = data->auth);
760 transfer->fnet = net;
761 transfer->peerid = swcsdup(argv[2]);
762 transfer->path = swcsdup(argv[3]);
763 transfer->dir = TRNSD_DOWN;
764 transfer->owner = data->uid;
765 if(fn != NULL)
766 {
767 transfer->fn = fn;
768 getfnetnode(fn);
769 linktransfer(transfer);
770 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
771 transfersetnick(transfer, peer->nick);
772 } else {
773 linktransfer(transfer);
774 }
775 if(argc > 4)
dcf7a1a2 776 transfersetsize(transfer, wcstoll(argv[4], NULL, 0));
d3372da9 777 if(argc > 5)
778 {
779 for(i = 5; i < argc; i += 2)
5123bec0 780 {
781 if(!wcscmp(argv[i], L"hash"))
782 {
a04fc9ff 783 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 784 } else {
9ec790e8 785 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 786 }
787 }
d3372da9 788 }
f7292a8b 789 sq(sk, 0, L"200", L"%i", transfer->id, L"Download queued", NULL);
d3372da9 790 transfersetactivity(transfer, L"create");
791}
792
793static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
794{
795 struct transfer *transfer, *pt;
796
797 havepriv(PERM_TRANS);
798 pt = NULL;
799 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
800 {
801 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
802 {
803 if(pt != NULL)
f7292a8b 804 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->dir,
805 L"%i", pt->state, pt->peerid,
d3372da9 806 (pt->peernick == NULL)?L"":(pt->peernick),
807 (pt->path == NULL)?L"":(pt->path),
dcf7a1a2 808 L"%oi", pt->size, L"%oi", pt->curpos,
5123bec0 809 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 810 NULL);
811 pt = transfer;
812 }
813 }
814 if(pt == NULL)
815 sq(sk, 0, L"201", L"No transfers", NULL);
816 else
f7292a8b 817 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->dir,
818 L"%i", pt->state, pt->peerid,
d3372da9 819 (pt->peernick == NULL)?L"":(pt->peernick),
820 (pt->path == NULL)?L"":(pt->path),
dcf7a1a2 821 L"%oi", pt->size, L"%oi", pt->curpos,
5123bec0 822 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 823 NULL);
824}
825
826static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
827{
828 struct transfer *transfer;
829
830 haveargs(2);
831 havepriv(PERM_TRANS);
832 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
833 {
834 sq(sk, 0, L"512", L"No such transfer", NULL);
835 return;
836 }
837 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
838 {
839 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
840 return;
841 }
842 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
843 {
844 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
845 return;
846 }
847 transfer->close = 1;
848 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
849}
850
4a9a79b3 851static void cmd_reset(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
852{
853 struct transfer *transfer;
854
855 haveargs(2);
856 havepriv(PERM_TRANS);
857 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
858 {
859 sq(sk, 0, L"512", L"No such transfer", NULL);
860 return;
861 }
862 if(transfer->dir == TRNSD_UP)
863 {
864 sq(sk, 0, L"512", L"Only applicable to downloads", NULL);
865 return;
866 }
867 resettransfer(transfer);
868 sq(sk, 0, L"200", L"Transfer reset", NULL);
869}
870
d3372da9 871static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
872{
873 int i, val;
874
875 if((argc % 2) != 1)
876 {
877 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
878 return;
879 }
880 for(i = 1; i < argc; i += 2)
881 {
882 if(!wcscasecmp(argv[i + 1], L"on"))
883 val = 1;
884 else
885 val = 0;
886 if(!wcscasecmp(argv[i], L"all"))
887 {
888 if(val)
889 data->notify.w = ~0;
890 else
891 data->notify.w = 0;
892 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
893 data->notify.b.fnchat = val;
894 } else if(!wcscasecmp(argv[i], L"fn:act")) {
895 data->notify.b.fnact = val;
ba86d49a 896 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
897 data->notify.b.fnpeer = val;
d3372da9 898 } else if(!wcscasecmp(argv[i], L"trans:act")) {
899 data->notify.b.tract = val;
900 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
901 data->notify.b.trprog = val;
902 } else if(!wcscasecmp(argv[i], L"srch:act")) {
903 data->notify.b.srch = val;
5f151349 904 } else if(!wcscasecmp(argv[i], L"msg")) {
905 data->notify.b.msg = val;
d3372da9 906 }
907 }
908 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
909}
910
911static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
912{
913 struct fnetnode *fn;
914 int public;
915
916 haveargs(5);
917 havepriv(PERM_CHAT);
918 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
919 {
920 sq(sk, 0, L"510", L"No such node", NULL);
921 return;
922 }
923 public = wcstol(argv[2], NULL, 0);
924 if((public != 0) && (public != 1))
925 {
926 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
927 return;
928 }
929 if(fn->state != FNN_EST)
930 {
931 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
932 return;
933 }
934 if(fnetsendchat(fn, public, argv[3], argv[4]))
935 {
936 if(errno == ENOTSUP)
937 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
938 else if(errno == EPERM)
939 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
940 else if(errno == EILSEQ)
941 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
942 else
943 sq(sk, 0, L"505", L"Could not chat", NULL);
944 return;
945 }
946 sq(sk, 0, L"200", L"Chat string sent", NULL);
947}
948
949static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
950{
951 struct search *srch;
952 struct fnetnode *fn;
953 struct sexpr *sexpr;
954 int i;
955
956 haveargs(3);
957 havepriv(PERM_SRCH);
958 srch = newsearch(data->username, NULL);
959 for(i = 1; i < argc; i++)
960 {
961 if(!wcscmp(argv[i], L"all"))
962 {
963 for(fn = fnetnodes; fn != NULL; fn = fn->next)
964 {
965 if(fn->state == FNN_EST)
966 searchaddfn(srch, fn);
967 }
968 i++;
969 break;
970 } else if(!wcscmp(argv[i], L"prio")) {
971 if(++i == argc)
972 {
973 sq(sk, 0, L"501", L"No argument to prio", NULL);
974 freesearch(srch);
975 return;
976 }
977 srch->prio = wcstol(argv[i], NULL, 0);
978 } else if(iswdigit(*argv[i])) {
979 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
980 {
981 sq(sk, 0, L"510", L"No such node", NULL);
982 freesearch(srch);
983 return;
984 }
985 searchaddfn(srch, fn);
986 } else {
987 break;
988 }
989 }
990 if(srch->fnl == NULL)
991 {
992 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
993 freesearch(srch);
994 return;
995 }
996 if(i == argc)
997 {
998 sq(sk, 0, L"501", L"No search expression found on line", NULL);
999 freesearch(srch);
1000 return;
1001 }
1002 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
1003 {
1004 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
1005 freesearch(srch);
1006 return;
1007 }
1008 optsexpr(sexpr);
1009 getsexpr(srch->sexpr = sexpr);
1010 queuesearch(srch);
1011 CBREG(srch, search_eta, srcheta, NULL, NULL);
1012 CBREG(srch, search_commit, srchcommit, NULL, NULL);
1013 CBREG(srch, search_result, srchres, NULL, NULL);
f7292a8b 1014 sq(sk, 0, L"200", L"%i", srch->id, L"%i", srch->eta - time(NULL), NULL);
d3372da9 1015 putsexpr(sexpr);
1016}
1017
1018static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1019{
1020 struct search *srch, *pt;
1021 time_t now;
1022
1023 havepriv(PERM_SRCH);
1024 pt = NULL;
1025 now = time(NULL);
1026 for(srch = searches; srch != NULL; srch = srch->next)
1027 {
1028 if(!wcscmp(srch->owner, data->username))
1029 {
1030 if(pt != NULL)
f7292a8b 1031 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
d3372da9 1032 pt = srch;
1033 }
1034 }
1035 if(pt == NULL)
1036 sq(sk, 0, L"201", L"No searches", NULL);
1037 else
f7292a8b 1038 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
d3372da9 1039}
1040
1041static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1042{
1043 struct search *srch;
1044 struct srchres *sr;
d3372da9 1045
1046 haveargs(2);
1047 havepriv(PERM_SRCH);
1048 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1049 {
1050 sq(sk, 0, L"514", L"No such search", NULL);
1051 return;
1052 }
1053 if(srch->results == NULL)
1054 {
1055 sq(sk, 0, L"201", L"No results", NULL);
1056 } else {
1057 for(sr = srch->results; sr != NULL; sr = sr->next)
1058 {
f7292a8b 1059 sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename,
dcf7a1a2 1060 sr->fnet->name, L"%ls", sr->peerid, L"%oi", sr->size,
f7292a8b 1061 L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id),
1062 L"%f", sr->time,
1063 L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL);
d3372da9 1064 }
1065 }
1066}
1067
1068static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1069{
1070 struct search *srch;
1071 int i;
1072
1073 haveargs(2);
1074 havepriv(PERM_SRCH);
1075 /* Note - Programmatical user interfaces must only give one
1076 * argument per command, the multiple argument form is only for
1077 * convenience when manually controlling the daemon via
1078 * eg. telnet. The reason is that the return codes aren't clear
1079 * enough for the multiple argument form. */
1080 for(i = 1; i < argc; i++)
1081 {
1082 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1083 {
1084 sq(sk, 0, L"514", L"No such search", NULL);
1085 return;
1086 }
1087 freesearch(srch);
1088 }
1089 sq(sk, 0, L"200", L"Search cancelled", NULL);
1090}
1091
cab0b442 1092static void fcmdread(struct socket *sk, struct uidata *data)
d3372da9 1093{
1094 char *buf;
1095 size_t bufsize;
1096
1097 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
cab0b442 1098 return;
d3372da9 1099 bufcat(data->fcmdbuf, buf, bufsize);
1100 free(buf);
1101}
1102
cab0b442 1103static void fcmderr(struct socket *sk, int err, struct uidata *data)
d3372da9 1104{
1105 wchar_t *wbuf, *p, *p2;
1106
1107 if(err)
1108 {
1109 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1110 kill(-data->fcmdpid, SIGHUP);
1111 putsock(data->fcmdsk);
1112 data->fcmdsk = NULL;
1113 if(data->fcmdbuf != NULL)
1114 {
1115 free(data->fcmdbuf);
1116 data->fcmdbuf = NULL;
1117 }
1118 data->fcmdbufsize = data->fcmdbufdata = 0;
f7292a8b 1119 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%s", strerror(err), NULL);
cab0b442 1120 return;
d3372da9 1121 }
1122 putsock(data->fcmdsk);
1123 data->fcmdsk = NULL;
1124 data->fcmdpid = 0;
1125 if(data->fcmdbuf == NULL)
1126 {
1127 wbuf = swcsdup(L"");
1128 } else {
1129 addtobuf(data->fcmdbuf, 0);
1130 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1131 free(data->fcmdbuf);
1132 }
1133 data->fcmdbuf = NULL;
1134 data->fcmdbufsize = data->fcmdbufdata = 0;
1135 if(wbuf == NULL)
1136 {
1137 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
cab0b442 1138 return;
d3372da9 1139 }
1140 p = wbuf;
1141 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1142 {
1143 *(p2++) = L'\0';
f7292a8b 1144 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%ls", p, NULL);
d3372da9 1145 p = p2;
1146 }
1147 if(*p == L'\0')
1148 {
1149 if(p == wbuf)
1150 sq(data->sk, 0, L"201", L"No data returned", NULL);
1151 } else {
f7292a8b 1152 sq(data->sk, 0, L"200", L"%ls", p, NULL);
d3372da9 1153 }
1154 free(wbuf);
1155}
1156
1157static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1158{
1159 int i;
1160 pid_t pid;
1161 int pipe;
1162 char **cargv, **pp;
1163 char *filtercmd, *argbuf;
1164 size_t cargvsize, cargvdata;
1165 struct passwd *pwent;
1166
1167 haveargs(2);
1168 havepriv(PERM_TRANS);
1169 if((pwent = getpwuid(data->uid)) == NULL)
1170 {
1171 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1172 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1173 return;
1174 }
c0845d5b 1175 filtercmd = findfile("dc-filtercmd", pwent->pw_dir, 0);
ddb933f1 1176 if(filtercmd == NULL)
c0845d5b 1177 filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), NULL, 0);
ddb933f1 1178 if(filtercmd == NULL)
d3372da9 1179 {
1180 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1181 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1182 return;
1183 }
1184 cargv = NULL;
1185 cargvsize = cargvdata = 0;
1186 addtobuf(cargv, filtercmd);
1187 for(i = 1; i < argc; i++)
1188 {
1189 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1190 {
1191 for(i = 0; i < cargvdata; i++)
1192 free(cargv[i]);
1193 free(cargv);
f7292a8b 1194 sq(sk, 0, L"504", L"Could not convert argument into local character set", L"%i", i, L"%s", strerror(errno), NULL);
d3372da9 1195 return;
1196 }
1197 addtobuf(cargv, argbuf);
1198 }
1199 addtobuf(cargv, NULL);
1200 if((pid = forksess(data->uid, data->auth, NULL, NULL, FD_FILE, 0, O_RDWR, "/dev/null", FD_PIPE, 1, O_RDONLY, &pipe, FD_FILE, 2, O_RDWR, "/dev/null", FD_END)) < 0)
1201 {
1202 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
f7292a8b 1203 sq(sk, 0, L"505", L"System error - Could not fork session", L"%s", strerror(errno), NULL);
d3372da9 1204 return;
1205 }
1206 if(pid == 0)
1207 {
1208 execv(filtercmd, cargv);
1209 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1210 exit(127);
1211 }
1212 for(pp = cargv; *pp; pp++)
1213 free(*pp);
1214 free(cargv);
1215 data->fcmdsk = wrapsock(pipe);
1216 data->fcmdpid = pid;
1217 if(data->fcmdbuf != NULL)
1218 {
1219 free(data->fcmdbuf);
1220 data->fcmdbuf = NULL;
1221 }
1222 data->fcmdbufsize = data->fcmdbufdata = 0;
cab0b442 1223 data->fcmdsk->data = data;
1224 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1225 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
d3372da9 1226}
1227
1228static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1229{
1230 struct transfer *transfer;
9ec790e8 1231 struct wcspair *ta;
d3372da9 1232
1233 haveargs(2);
1234 havepriv(PERM_TRANS);
1235 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1236 {
1237 sq(sk, 0, L"512", L"No such transfer", NULL);
1238 return;
1239 }
1240 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1241 {
1242 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1243 return;
1244 }
1245 if(transfer->args == NULL)
1246 {
1247 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1248 } else {
1249 for(ta = transfer->args; ta != NULL; ta = ta->next)
f7292a8b 1250 sq(sk, ta->next != NULL, L"200", L"%ls", ta->key, L"%ls", ta->val, NULL);
d3372da9 1251 }
1252}
1253
1254static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1255{
1256 struct sharecache *node;
1257 int total, hashed;
1258
1259 total = hashed = 0;
1260 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1261 {
1262 if(node->f.b.type == FILE_REG)
1263 {
1264 total++;
1265 if(node->f.b.hastth)
1266 hashed++;
1267 }
1268 }
f7292a8b 1269 sq(sk, 0, L"200", L"%i", total, L"tth", L"%i", hashed, NULL);
d3372da9 1270}
1271
796283c6 1272static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1273{
796283c6 1274 havepriv(PERM_TRANS);
f7292a8b 1275 sq(sk, 0, L"200", L"down", L"%ll", bytesdownload, L"up", L"%ll", bytesupload, NULL);
796283c6 1276}
1277
5f151349 1278static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1279{
1280 struct uidata *d2;
1281
1282 haveargs(2);
1283 if(data->userinfo == NULL) {
1284 sq(sk, 0, L"502", L"Must be logged in", NULL);
1285 return;
1286 }
1287 if(argv[1][0] == L'#') {
1288 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1289 return;
1290 }
1291 for(d2 = actives; d2 != NULL; d2 = d2->next) {
7b2663a4 1292 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
5f151349 1293 sq(sk, 0, L"516", L"Name already in use", NULL);
1294 return;
1295 }
1296 }
1297 if(data->regname != NULL)
1298 free(data->regname);
1299 data->regname = swcsdup(argv[1]);
1300 sq(sk, 0, L"200", L"Registered", NULL);
1301}
1302
1303static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1304{
1305 int i, rcptid;
1306 struct uidata *rcpt;
1307 wchar_t *myname;
1308 struct notif *notif;
1309
1310 haveargs(2);
1311 if(data->userinfo == NULL) {
1312 sq(sk, 0, L"502", L"Must be logged in", NULL);
1313 return;
1314 }
1315 if(argv[1][0] == L'#') {
1316 rcptid = wcstol(argv[1] + 1, NULL, 0);
1317 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1318 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
5f151349 1319 break;
1320 }
1321 } else {
1322 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1323 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
5f151349 1324 break;
1325 }
1326 }
1327 if(rcpt == NULL) {
1328 sq(sk, 0, L"517", L"No such recipient", NULL);
1329 return;
1330 }
1331 if(!rcpt->notify.b.msg) {
1332 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1333 return;
1334 }
1335 if(data->regname != NULL)
1336 myname = swcsdup(data->regname);
1337 else
1338 myname = swprintf2(L"#%i", data->id);
1339 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1340 for(i = 2; i < argc; i++)
1341 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1342 sq(sk, 0, L"200", L"Message sent", NULL);
1343}
1344
9a64a4f7 1345static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1346{
f7292a8b 1347 sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL);
9a64a4f7 1348}
1349
c45c9b79 1350static void cmd_hup(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1351{
1352 extern volatile int reinit;
1353
1354 havepriv(PERM_ADMIN);
1355 flog(LOG_NOTICE, "UI HUP request from %ls", data->username);
1356 reinit = 1;
1357 sq(sk, 0, L"200", L"Will reinit", NULL);
1358}
1359
d3372da9 1360#undef haveargs
1361#undef havepriv
1362
1363/*
1364 * Reserved command numbers for nameless commands:
1365 * 0: Issued when a client has connected
1366 * 1: Issued when a named command couldn't be found
1367 */
1368
1369static struct command commands[] =
1370{
1371 {NULL, cmd_connect},
1372 {NULL, cmd_notfound},
1373 {L"shutdown", cmd_shutdown},
1374 {L"quit", cmd_quit},
1375 {L"lsauth", cmd_lsauth},
1376 {L"login", cmd_login},
1377 {L"pass", cmd_pass},
1378 {L"cnct", cmd_fnetconnect},
1379 {L"lsnodes", cmd_lsnodes},
1380 {L"dcnct", cmd_disconnect},
1381 {L"lspa", cmd_lspa},
1382 {L"lspeers", cmd_lspeers},
1383 {L"download", cmd_download},
1384 {L"lstrans", cmd_lstrans},
1385 {L"cancel", cmd_cancel},
4a9a79b3 1386 {L"reset", cmd_reset},
d3372da9 1387 {L"notify", cmd_notify},
1388 {L"sendchat", cmd_sendchat},
1389 {L"search", cmd_search},
1390 {L"lssrch", cmd_lssrch},
1391 {L"lssr", cmd_lssr},
1392 {L"cansrch", cmd_cansrch},
1393 {L"filtercmd", cmd_filtercmd},
1394 {L"lstrarg", cmd_lstrarg},
1395 {L"hashstatus", cmd_hashstatus},
796283c6 1396 {L"transstatus", cmd_transstatus},
5f151349 1397 {L"register", cmd_register},
1398 {L"sendmsg", cmd_sendmsg},
9a64a4f7 1399 {L"uptime", cmd_uptime},
c45c9b79 1400 {L"hup", cmd_hup},
d3372da9 1401 {NULL, NULL}
1402};
1403
1404static void freequeuecmd(struct qcommand *qcmd)
1405{
1406 int i;
1407
1408 if(qcmd->argv != NULL)
1409 {
1410 for(i = 0; i < qcmd->argc; i++)
1411 free(qcmd->argv[i]);
1412 free(qcmd->argv);
1413 }
1414 free(qcmd);
1415}
1416
1417static struct qcommand *unlinkqcmd(struct uidata *data)
1418{
1419 struct qcommand *qcmd;
1420
1421 qcmd = data->queue;
1422 if(qcmd != NULL)
1423 {
1424 data->queue = qcmd->next;
1425 if(qcmd == data->queuelast)
1426 data->queuelast = qcmd->next;
1427 }
1428 return(qcmd);
1429}
1430
ba86d49a 1431static void notifappendv(struct notif *notif, va_list args)
d3372da9 1432{
d3372da9 1433 int dt, ca;
1434
d3372da9 1435 while((dt = va_arg(args, int)) != NOTIF_END)
1436 {
1437 ca = notif->argc;
1438 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1439 notif->argv[ca].dt = dt;
1440 switch(dt)
1441 {
1442 case NOTIF_INT:
1443 case NOTIF_ID:
1444 notif->argv[ca].d.n = va_arg(args, int);
1445 break;
dcf7a1a2
FT		 1446 case NOTIF_OFF:
1447 notif->argv[ca].d.o = va_arg(args, off_t);
1448 break;
d3372da9 1449 case NOTIF_STR:
2af7e5b0 1450 notif->argv[ca].d.s = swcsdup(va_arg(args, wchar_t *));
d3372da9 1451 break;
1452 case NOTIF_FLOAT:
1453 notif->argv[ca].d.d = va_arg(args, double);
1454 break;
1455 }
1456 }
ba86d49a 1457}
1458
1459static void notifappend(struct notif *notif, ...)
1460{
1461 va_list args;
1462
1463 va_start(args, notif);
1464 notifappendv(notif, args);
1465 va_end(args);
1466}
1467
1468static struct notif *newnotif(struct uidata *data, int code, ...)
1469{
1470 struct notif *notif;
1471 va_list args;
1472
1473 notif = smalloc(sizeof(*notif));
1474 memset(notif, 0, sizeof(*notif));
1475 notif->rlimit = 0.0;
1476 notif->ui = data;
1477 notif->code = code;
1478 va_start(args, code);
1479 notifappendv(notif, args);
d3372da9 1480 va_end(args);
1481 notif->next = NULL;
1482 notif->prev = data->lnotif;
1483 if(data->lnotif != NULL)
1484 data->lnotif->next = notif;
1485 else
1486 data->fnotif = notif;
1487 data->lnotif = notif;
1488 return(notif);
1489}
1490
1491static void freenotif(struct notif *notif)
1492{
1493 int i;
1494
1495 if(notif->next != NULL)
1496 notif->next->prev = notif->prev;
1497 if(notif->prev != NULL)
1498 notif->prev->next = notif->next;
1499 if(notif == notif->ui->fnotif)
1500 notif->ui->fnotif = notif->next;
1501 if(notif == notif->ui->lnotif)
1502 notif->ui->lnotif = notif->prev;
1503 if(notif->exptimer != NULL)
1504 canceltimer(notif->exptimer);
1505 for(i = 0; i < notif->argc; i++)
1506 {
1507 if(notif->argv[i].dt == NOTIF_STR)
1508 free(notif->argv[i].d.s);
1509 }
1510 if(notif->argv != NULL)
1511 free(notif->argv);
1512 free(notif);
1513}
1514
1515static void notifexpire(int cancelled, struct notif *notif)
1516{
1517 notif->exptimer = NULL;
1518 if(!cancelled)
1519 freenotif(notif);
1520}
1521
1522static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1523{
1524 int i, cont;
1525
1526 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1527 {
1528 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1529 {
1530 cont = 0;
1531 if(id >= 0)
1532 {
1533 for(i = 0; i < notif->argc; i++)
1534 {
1535 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1536 {
1537 cont = 1;
1538 break;
1539 }
1540 }
1541 }
1542 if(cont)
1543 continue;
1544 break;
1545 }
1546 }
1547 return(notif);
1548}
1549
1550static void freeuidata(struct uidata *data)
1551{
1552 int i;
1553 struct qcommand *qcmd;
1554
1555 if(data->next != NULL)
1556 data->next->prev = data->prev;
1557 if(data->prev != NULL)
1558 data->prev->next = data->next;
1559 if(data == actives)
1560 actives = data->next;
cab0b442 1561 data->sk->readcb = NULL;
1562 data->sk->errcb = NULL;
68f4d429 1563 closesock(data->sk);
d3372da9 1564 putsock(data->sk);
1565 while((qcmd = unlinkqcmd(data)) != NULL)
1566 freequeuecmd(qcmd);
1567 iconv_close(data->ichandle);
1568 if(data->cw != NULL)
1569 free(data->cw);
1570 if(data->cb != NULL)
1571 free(data->cb);
1572 if(data->argv != NULL)
1573 {
1574 for(i = 0; i < data->argc; i++)
1575 free(data->argv[i]);
1576 free(data->argv);
1577 }
1578 if(data->auth != NULL)
1579 authputhandle(data->auth);
5f151349 1580 if(data->regname != NULL)
1581 free(data->regname);
d3372da9 1582 if(data->username != NULL)
1583 {
1584 if(data->userinfo != NULL)
1585 flog(LOG_INFO, "%ls logged out", data->username);
1586 free(data->username);
1587 }
1588 free(data->inbuf);
1589 while(data->fnotif != NULL)
1590 freenotif(data->fnotif);
1591 if(data->fcmdbuf != NULL)
1592 free(data->fcmdbuf);
1593 if(data->fcmdpid != 0)
1594 kill(-data->fcmdpid, SIGHUP);
1595 if(data->fcmdsk != NULL)
1596 putsock(data->fcmdsk);
1597 free(data);
1598}
1599
1600static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1601{
1602 struct qcommand *new;
1603
1604 new = smalloc(sizeof(*new));
1605 new->cmd = cmd;
1606 new->argc = argc;
1607 new->argv = argv;
1608 new->next = NULL;
1609 if(data->queuelast != NULL)
1610 data->queuelast->next = new;
1611 data->queuelast = new;
1612 if(data->queue == NULL)
1613 data->queue = new;
1614}
1615
1616static struct uidata *newuidata(struct socket *sk)
1617{
1618 struct uidata *data;
5f151349 1619 static int curid = 0;
d3372da9 1620
1621 data = smalloc(sizeof(*data));
1622 memset(data, 0, sizeof(*data));
5f151349 1623 data->id = curid++;
d3372da9 1624 data->sk = sk;
1625 getsock(sk);
1626 data->inbuf = smalloc(1024);
1627 data->uid = -1;
1628 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1629 {
1630 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1631 return(NULL);
1632 }
1633 data->next = actives;
1634 data->prev = NULL;
1635 if(actives != NULL)
1636 actives->prev = data;
1637 actives = data;
1638 return(data);
1639}
1640
cab0b442 1641static void uiread(struct socket *sk, struct uidata *data)
d3372da9 1642{
1643 int ret, done;
1644 char *newbuf;
1645 char *p1, *p2;
1646 wchar_t *porig;
1647 size_t datalen, len2;
1648 struct command *cur;
1649
1650 if(data->indata > 1024)
1651 data->indata = 0;
1652 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
cab0b442 1653 return;
d3372da9 1654 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1655 memcpy(data->inbuf + data->indata, newbuf, datalen);
1656 free(newbuf);
1657 data->indata += datalen;
1658 if(data->cb == NULL)
1659 {
1660 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1661 data->cbdata = 0;
1662 data->pp = data->cb;
1663 }
1664 done = 0;
1665 while(!done)
1666 {
1667 if(data->cbsize == data->cbdata)
1668 {
1669 len2 = data->pp - data->cb;
1670 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1671 data->pp = data->cb + len2;
1672 }
1673 p1 = data->inbuf;
1674 p2 = (char *)(porig = (data->cb + data->cbdata));
1675 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1676 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1677 memmove(data->inbuf, p1, data->indata);
1678 /* Just a sanity check */
1679 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1680 {
1681 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1682 abort();
1683 }
1684 data->cbdata += (((wchar_t *)p2) - porig);
1685 if(ret < 0)
1686 {
1687 switch(errno)
1688 {
1689 case EILSEQ:
1690 /* XXX: Should this really just ignore it? */
1691 data->indata = 0;
1692 done = 1;
1693 break;
1694 case EINVAL:
1695 done = 1;
1696 break;
1697 case E2BIG:
1698 /* Just a sanity check */
1699 if(data->cbsize != data->cbdata)
1700 {
1701 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1702 abort();
1703 }
1704 break;
1705 default:
1706 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1707 break;
1708 }
1709 } else {
1710 done = 1;
1711 }
1712 }
1713 done = 0;
1714 while(!done && (data->pp - data->cb < data->cbdata))
1715 {
1716 switch(data->ps)
1717 {
1718 case 0:
1719 if(iswspace(*data->pp))
1720 {
1721 if(*data->pp == L'\r')
1722 {
1723 if(data->pp == data->cb + data->cbdata - 1)
1724 {
1725 done = 1;
1726 break;
1727 }
1728 if(*(++data->pp) == L'\n')
1729 {
1730 if((data->argv != NULL) && (data->argv[0] != NULL))
1731 {
1732 for(cur = commands; cur->handler != NULL; cur++)
1733 {
1734 if(cur->name == NULL)
1735 continue;
1736 if(!wcscasecmp(cur->name, data->argv[0]))
1737 {
1738 queuecmd(data, cur, data->argc, data->argv);
1739 break;
1740 }
1741 }
1742 if(cur->handler == NULL)
1743 queuecmd(data, &commands[1], data->argc, data->argv);
1744 } else {
1745 queuecmd(data, &commands[1], data->argc, data->argv);
1746 }
1747 data->argv = NULL;
1748 data->args = 0;
1749 data->argc = 0;
1750 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1751 data->pp = data->cb;
1752 } else {
1753 data->pp++;
1754 }
1755 } else {
1756 data->pp++;
1757 }
1758 } else {
1759 data->ps = 1;
1760 data->cwdata = 0;
1761 }
1762 break;
1763 case 1:
1764 if(iswspace(*data->pp))
1765 {
1766 addtobuf(data->cw, L'\0');
1767 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1768 data->argv[data->argc++] = data->cw;
1769 data->cw = NULL;
1770 data->cwsize = 0;
1771 data->cwdata = 0;
1772 data->ps = 0;
1773 } else if(*data->pp == L'\"') {
1774 data->ps = 2;
1775 data->pp++;
1776 } else if(*data->pp == L'\\') {
1777 if(data->pp == data->cb + data->cbdata - 1)
1778 {
1779 done = 1;
1780 break;
1781 }
1782 addtobuf(data->cw, *(++data->pp));
1783 data->pp++;
1784 } else {
1785 addtobuf(data->cw, *(data->pp++));
1786 }
1787 break;
1788 case 2:
1789 if(*data->pp == L'\"')
1790 {
1791 data->ps = 1;
1792 } else if(*data->pp == L'\\') {
1793 if(data->pp == data->cb + data->cbdata - 1)
1794 {
1795 done = 1;
1796 break;
1797 }
1798 addtobuf(data->cw, *(++(data->pp)));
1799 } else {
1800 addtobuf(data->cw, *data->pp);
1801 }
1802 data->pp++;
1803 break;
1804 }
1805 }
1806}
1807
cab0b442 1808static void uierror(struct socket *sk, int err, struct uidata *data)
d3372da9 1809{
1810 if(err)
1811 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1812 freeuidata(data);
1813}
1814
cab0b442 1815static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
d3372da9 1816{
1817 struct uidata *uidata;
1818
cab0b442 1819 newsk->data = uidata = newuidata(newsk);
d3372da9 1820 socksettos(newsk, confgetint("ui", "uitos"));
1821 if(uidata == NULL)
cab0b442 1822 return;
1823 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1824 newsk->readcb = (void (*)(struct socket *, void *))uiread;
d3372da9 1825 queuecmd(uidata, &commands[0], 0, NULL);
1826}
1827
1828static int srcheta(struct search *srch, void *uudata)
1829{
1830 struct uidata *data;
1831
1832 for(data = actives; data != NULL; data = data->next)
1833 {
1834 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1835 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1836 }
1837 return(0);
1838}
1839
1840static int srchcommit(struct search *srch, void *uudata)
1841{
1842 struct uidata *data;
1843
1844 for(data = actives; data != NULL; data = data->next)
1845 {
1846 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1847 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1848 }
1849 return(0);
1850}
1851
1852static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1853{
1854 struct uidata *data;
1855
1856 for(data = actives; data != NULL; data = data->next)
1857 {
1858 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1859 {
dcf7a1a2 1860 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_OFF, sr->size,
5123bec0 1861 NOTIF_INT, sr->slots, NOTIF_INT, (sr->fn == NULL)?-1:(sr->fn->id), NOTIF_FLOAT, sr->time, NOTIF_STR, (sr->hash == NULL)?L"":unparsehash(sr->hash), NOTIF_END);
ebbc13f3 1862 }
d3372da9 1863 }
1864 return(0);
1865}
1866
1867static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1868{
1869 struct uidata *data;
1870
1871 for(data = actives; data != NULL; data = data->next)
1872 {
1873 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1874 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1875 }
1876 return(0);
1877}
1878
1879static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1880{
1881 struct uidata *data;
1882 struct notif *notif;
1883
1884 if(!wcscmp(attrib, L"state"))
1885 {
1886 for(data = actives; data != NULL; data = data->next)
1887 {
1888 if(data->notify.b.fnact)
1889 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1890 }
1891 } else if(!wcscmp(attrib, L"name")) {
1892 for(data = actives; data != NULL; data = data->next)
1893 {
1894 if(data->notify.b.fnact)
1895 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1896 }
1897 } else if(!wcscmp(attrib, L"numpeers")) {
1898 for(data = actives; data != NULL; data = data->next)
1899 {
1900 if(data->notify.b.fnact)
1901 {
1902 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1903 notif->argv[1].d.n = fn->numpeers;
1904 else
ba86d49a 1905 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1906 }
1907 }
1908 }
1909 return(0);
1910}
1911
1912static int fnunlink(struct fnetnode *fn, void *uudata)
1913{
1914 struct uidata *data;
1915
1916 for(data = actives; data != NULL; data = data->next)
1917 {
1918 if(data->notify.b.fnact)
1919 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1920 }
1921 return(0);
1922}
1923
ba86d49a 1924static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1925{
1926 struct uidata *data;
1927
1928 for(data = actives; data != NULL; data = data->next)
1929 {
1930 if(data->notify.b.fnpeer)
1931 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1932 }
1933 return(0);
1934}
1935
1936static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1937{
1938 struct uidata *data;
1939
1940 for(data = actives; data != NULL; data = data->next)
1941 {
1942 if(data->notify.b.fnpeer)
1943 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1944 }
1945 return(0);
1946}
1947
1948static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1949{
1950 struct uidata *data;
1951 struct notif *notif;
1952 wchar_t buf[32];
1953
1954 for(data = actives; data != NULL; data = data->next)
1955 {
1956 if(data->notify.b.fnpeer)
1957 {
1958 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1959 {
1960 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1961 break;
1962 }
1963 if(notif == NULL)
1964 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1965 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1966 switch(di->datum->datatype)
1967 {
1968 case FNPD_INT:
1969 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1970 break;
1971 case FNPD_STR:
1972 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1973 break;
1974 case FNPD_LL:
1975 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1976 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1977 break;
1978 }
1979 }
1980 }
1981 return(0);
1982}
1983
d3372da9 1984static int newfnetnode(struct fnetnode *fn, void *uudata)
1985{
1986 struct uidata *data;
1987
1988 for(data = actives; data != NULL; data = data->next)
1989 {
1990 if(data->notify.b.fnact)
1991 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1992 }
1993 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1994 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1995 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1996 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1997 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1998 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1999 return(0);
2000}
2001
2002static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
2003{
2004 struct uidata *data;
2005
2006 if(!wcscmp(attrib, L"state"))
2007 {
2008 for(data = actives; data != NULL; data = data->next)
2009 {
2010 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2011 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
2012 }
2013 } else if(!wcscmp(attrib, L"nick")) {
2014 for(data = actives; data != NULL; data = data->next)
2015 {
2016 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2017 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
2018 }
2019 } else if(!wcscmp(attrib, L"size")) {
2020 for(data = actives; data != NULL; data = data->next)
2021 {
2022 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
dcf7a1a2 2023 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->size, NOTIF_END);
d3372da9 2024 }
2025 } else if(!wcscmp(attrib, L"error")) {
2026 for(data = actives; data != NULL; data = data->next)
2027 {
2028 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2029 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
2030 }
2031 } else if(!wcscmp(attrib, L"path")) {
2032 for(data = actives; data != NULL; data = data->next)
2033 {
2034 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2035 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
2036 }
a04fc9ff 2037 } else if(!wcscmp(attrib, L"hash")) {
2038 for(data = actives; data != NULL; data = data->next)
2039 {
2040 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 2041 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 2042 }
d3372da9 2043 }
2044 return(0);
2045}
2046
2047static int transferprog(struct transfer *transfer, void *uudata)
2048{
2049 struct uidata *data;
2050 struct notif *notif;
2051
2052 for(data = actives; data != NULL; data = data->next)
2053 {
2054 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2055 {
2056 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
dcf7a1a2 2057 notif->argv[1].d.o = transfer->curpos;
d3372da9 2058 else
dcf7a1a2 2059 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->curpos, NOTIF_END)->rlimit = 0.5;
d3372da9 2060 }
2061 }
2062 return(0);
2063}
2064
2065static int transferdestroyed(struct transfer *transfer, void *uudata)
2066{
2067 struct uidata *data;
2068
2069 for(data = actives; data != NULL; data = data->next)
2070 {
2071 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
3d204c2d 2072 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
d3372da9 2073 }
2074 return(0);
2075}
2076
2077static int newtransfernotify(struct transfer *transfer, void *uudata)
2078{
2079 struct uidata *data;
2080
2081 for(data = actives; data != NULL; data = data->next)
2082 {
2083 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2084 newnotif(data, 610, NOTIF_ID, transfer->id, NOTIF_INT, transfer->dir, NOTIF_STR, transfer->peerid, NOTIF_STR, (transfer->path == NULL)?L"":transfer->path, NOTIF_END);
2085 }
2086 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2087 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2088 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2089 return(0);
2090}
2091
2092static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2093{
2094 struct uiuser *new;
2095
2096 new = smalloc(sizeof(*new));
2097 new->used = 0;
2098 new->name = swcsdup(name);
2099 new->perms = perms;
2100 new->delete = 0;
2101 new->next = users;
2102 new->prev = NULL;
2103 if(users != NULL)
2104 users->prev = new;
2105 users = new;
2106 return(new);
2107}
2108
2109static void freeuser(struct uiuser *user)
2110{
2111 if(user->next != NULL)
2112 user->next->prev = user->prev;
2113 if(user->prev != NULL)
2114 user->prev->next = user->next;
2115 if(user == users)
2116 users = user->next;
2117 free(user->name);
2118 free(user);
2119}
2120
2121static int conf_user(int argc, wchar_t **argv)
2122{
2123 int i, perms, permmod;
2124 struct uiuser *user;
2125 wchar_t *p;
2126
2127 if(argc < 3)
2128 {
2129 flog(LOG_WARNING, "not enough arguments given for user command");
2130 return(1);
2131 }
2132 perms = 0;
2133 for(i = 2; i < argc; i++)
2134 {
2135 if(!iswalpha(argv[i][0]))
2136 p = argv[i] + 1;
2137 else
2138 p = argv[i];
2139 if(!wcscmp(p, L"disallow"))
2140 permmod = PERM_DISALLOW;
2141 if(!wcscmp(p, L"admin"))
2142 permmod = PERM_ADMIN;
2143 if(!wcscmp(p, L"fnetctl"))
2144 permmod = PERM_FNETCTL;
2145 if(!wcscmp(p, L"trans"))
2146 permmod = PERM_TRANS;
2147 if(!wcscmp(p, L"transcu"))
2148 permmod = PERM_TRANSCU;
2149 if(!wcscmp(p, L"chat"))
2150 permmod = PERM_CHAT;
2151 if(!wcscmp(p, L"srch"))
2152 permmod = PERM_SRCH;
2153 if(!wcscmp(p, L"all"))
2154 permmod = ~0;
2155 if(argv[i][0] == L'-')
2156 perms &= ~permmod;
2157 else
2158 perms |= permmod;
2159 }
2160 if((user = finduser(argv[1])) == NULL)
2161 {
2162 newuser(argv[1], perms);
2163 } else {
2164 user->delete = 0;
2165 user->perms = perms;
2166 }
2167 return(0);
2168}
2169
2170static void preinit(int hup)
2171{
2172 struct uiuser *user;
2173
2174 if(!hup)
2175 {
8754fb85 2176 newuser(L"default", PERM_DISALLOW);
d3372da9 2177 } else {
2178 for(user = users; user != NULL; user = user->next)
2179 {
2180 if(!wcscmp(user->name, L"default"))
2181 user->delete = 1;
2182 }
2183 }
2184}
2185
ddb933f1 2186static struct sockaddr_un *makeunixname(void)
2187{
2188 static struct sockaddr_un buf;
2189 char *val;
2190 struct passwd *pwd;
2191 uid_t uid;
2192
2193 memset(&buf, 0, sizeof(buf));
2194 buf.sun_family = PF_UNIX;
2195 if((val = icswcstombs(confgetstr("ui", "unixsock"), NULL, NULL)) == NULL) {
2196 flog(LOG_WARNING, "could not map Unix socket name into local charset: %s", strerror(errno));
2197 return(NULL);
2198 }
2199 if(!strcmp(val, "none"))
2200 return(NULL);
2201 if(!strcmp(val, "default"))
2202 {
2203 if((uid = getuid()) == 0)
2204 {
2205 strcpy(buf.sun_path, "/var/run/doldacond.sock");
2206 return(&buf);
2207 } else {
2208 if((pwd = getpwuid(uid)) == NULL)
2209 {
2210 flog(LOG_ERR, "could not get passwd entry for current user: %s", strerror(errno));
2211 return(NULL);
2212 }
2213 strcpy(buf.sun_path, "/tmp/doldacond-");
2214 strcat(buf.sun_path, pwd->pw_name);
2215 return(&buf);
2216 }
2217 }
2218 if(strchr(val, '/'))
2219 {
2220 strcpy(buf.sun_path, val);
2221 return(&buf);
2222 }
2223 flog(LOG_WARNING, "invalid Unix socket name: %s", val);
2224 return(NULL);
2225}
2226
2227static int tcpportupdate(struct configvar *var, void *uudata)
d3372da9 2228{
d3372da9 2229 struct socket *newsock;
2230
ddb933f1 2231 newsock = NULL;
2232 if((var->val.num != -1) && ((newsock = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL))
d3372da9 2233 {
ddb933f1 2234 flog(LOG_WARNING, "could not create new TCP UI socket, reverting to old: %s", strerror(errno));
d3372da9 2235 return(0);
2236 }
ddb933f1 2237 if(tcpsocket != NULL)
2238 {
2239 putsock(tcpsocket);
2240 tcpsocket = NULL;
2241 }
2242 tcpsocket = newsock;
2243 return(0);
2244}
2245
2246static int unixsockupdate(struct configvar *var, void *uudata)
2247{
2248 struct socket *newsock;
2249 struct sockaddr_un *un;
4cb04c42 2250 mode_t ou;
ddb933f1 2251
2252 newsock = NULL;
4cb04c42 2253 ou = umask(0111);
ddb933f1 2254 if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
2255 {
4cb04c42 2256 umask(ou);
ddb933f1 2257 flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno));
2258 return(0);
2259 }
4cb04c42 2260 umask(ou);
ddb933f1 2261 if(unixsocket != NULL)
2262 {
2263 putsock(unixsocket);
2264 unixsocket = NULL;
2265 }
2266 unixsocket = newsock;
d3372da9 2267 return(0);
2268}
2269
2270static int init(int hup)
2271{
d3372da9 2272 struct uiuser *user, *next;
ddb933f1 2273 struct sockaddr_un *un;
8754fb85 2274 struct passwd *pwd;
2275 wchar_t *wcsname;
4cb04c42 2276 mode_t ou;
d3372da9 2277
2278 if(hup)
2279 {
2280 for(user = users; user != NULL; user = next)
2281 {
2282 next = user->next;
2283 if(user->delete)
2284 freeuser(user);
2285 }
2286 }
2287 if(!hup)
2288 {
9a64a4f7 2289 starttime = time(NULL);
ddb933f1 2290 if((confgetint("ui", "port") != -1) && ((tcpsocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL))
2291 {
2292 flog(LOG_CRIT, "could not create TCP UI socket: %s", strerror(errno));
2293 return(1);
2294 }
2295 CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL);
4cb04c42 2296 ou = umask(0111);
ddb933f1 2297 if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
d3372da9 2298 {
4cb04c42 2299 umask(ou);
ddb933f1 2300 flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno));
d3372da9 2301 return(1);
2302 }
4cb04c42 2303 umask(ou);
ddb933f1 2304 CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL);
d3372da9 2305 GCBREG(newfncb, newfnetnode, NULL);
2306 GCBREG(newtransfercb, newtransfernotify, NULL);
2307 }
8754fb85 2308 if(getuid() != 0)
2309 {
2310 for(user = users; user != NULL; user = user->next)
2311 {
2312 if(wcscmp(user->name, L"default"))
2313 break;
2314 }
2315 if(!user)
2316 {
2317 if((pwd = getpwuid(getuid())) == NULL)
2318 {
2319 flog(LOG_CRIT, "could not get login info: %s", strerror(errno));
2320 return(1);
2321 }
2322 if((wcsname = icmbstowcs(pwd->pw_name, NULL)) == NULL)
2323 {
2324 flog(LOG_CRIT, "could not convert user name into wcs: %s", strerror(errno));
2325 return(1);
2326 }
2327 newuser(wcsname, ~PERM_DISALLOW);
2328 free(wcsname);
2329 }
2330 }
d3372da9 2331 return(0);
2332}
2333
2334static int run(void)
2335{
2336 int i, id;
2337 struct uidata *data, *next;
2338 struct qcommand *qcmd;
2339 struct notif *notif, *nnotif;
d3372da9 2340
2341 for(data = actives; data != NULL; data = next)
2342 {
2343 next = data->next;
2344 if(data->close)
2345 freeuidata(data);
2346 }
2347 for(data = actives; data != NULL; data = data->next)
2348 {
2349 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2350 {
2351 nnotif = notif->next;
2352 if(notif->state == NOTIF_WAIT)
2353 continue;
2354 id = -1;
2355 for(i = 0; i < notif->argc; i++)
2356 {
2357 if(notif->argv[i].dt == NOTIF_ID)
2358 {
2359 id = notif->argv[i].d.n;
2360 break;
2361 }
2362 }
2363 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2364 continue;
f7292a8b 2365 sq(data->sk, 2, L"%i", notif->code, NULL);
d3372da9 2366 for(i = 0; i < notif->argc; i++)
2367 {
2368 switch(notif->argv[i].dt)
2369 {
2370 case NOTIF_INT:
2371 case NOTIF_ID:
f7292a8b 2372 sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL);
d3372da9 2373 break;
dcf7a1a2
FT		 2374 case NOTIF_OFF:
2375 sq(data->sk, 2, L"%oi", notif->argv[i].d.o, NULL);
2376 break;
d3372da9 2377 case NOTIF_STR:
2378 if(notif->argv[i].d.s[0] == L'%')
f7292a8b 2379 sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL);
d3372da9 2380 else
2381 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2382 break;
2383 case NOTIF_FLOAT:
f7292a8b 2384 sq(data->sk, 2, L"%f", notif->argv[i].d.d, NULL);
d3372da9 2385 break;
2386 }
2387 }
2388 sq(data->sk, 0, NULL);
2389 if(notif->rlimit != 0)
2390 {
2391 notif->state = NOTIF_WAIT;
2392 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2393 } else {
2394 freenotif(notif);
2395 }
2396 }
2397 if((qcmd = unlinkqcmd(data)) != NULL)
2398 {
2399 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2400 freequeuecmd(qcmd);
2401 return(1);
2402 }
2403 }
2404 return(0);
2405}
2406
2407static void terminate(void)
2408{
2409 while(users != NULL)
2410 freeuser(users);
ddb933f1 2411 if(tcpsocket != NULL)
2412 putsock(tcpsocket);
2413 if(unixsocket != NULL)
2414 putsock(unixsocket);
d3372da9 2415}
2416
2417static struct configvar myvars[] =
2418{
d9f89ef5 2419 /** If true, UI connections will only be accepted from localhost
2420 * addresses (127.0.0.1, ::1 or ::ffff:127.0.0.1). Unless you are
2421 * completely sure that you know what you are doing, never turn
2422 * this off when auth.authless is on. */
d3372da9 2423 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
ddb933f1 2424 /** The TCP port number on which to accept UI client connections,
2425 * or -1 to not listen on TCP. */
d3372da9 2426 {CONF_VAR_INT, "port", {.num = 1500}},
ddb933f1 2427 /**
2428 * Controls the the name to use for the Unix socket on which to
2429 * accept UI client connections. If the name contains a slash, it
2430 * is treated as a file name to bind on. If the name is "default",
2431 * the file name will be "/var/run/doldacond.sock" if doldacond
2432 * runs with UID == 0, or "/tmp/doldacond-NAME" otherwise, where
2433 * NAME is the user name of the UID which doldacond runs as. If
2434 * the name is "none", no Unix socket will be used. Otherwise, an
2435 * error is signaled.
2436 */
2437 {CONF_VAR_STRING, "unixsock", {.str = L"default"}},
d9f89ef5 2438 /** The TOS value to use for UI connections (see the TOS VALUES
2439 * section). */
d3372da9 2440 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
d9f89ef5 2441 /** The name of the filtercmd script (see the FILES section for
2442 * lookup information). */
d3372da9 2443 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2444 {CONF_VAR_END}
2445};
2446
2447static struct configcmd mycmds[] =
2448{
2449 {"user", conf_user},
2450 {NULL}
2451};
2452
2453static struct module me =
2454{
2455 .name = "ui",
2456 .conf =
2457 {
2458 .vars = myvars,
2459 .cmds = mycmds
2460 },
2461 .preinit = preinit,
2462 .init = init,
2463 .run = run,
2464 .terminate = terminate
2465};
2466
2467MODULE(me)
Dolda Connect